Abaixo está uma instrução que descreve uma tarefa de geração de SQL, combinada com uma entrada que fornece mais contexto sobre os esquemas de tabela disponíveis. Escreva o código SQL que responda adequadamente à solicitação
 ###Instrução: Quando eles jogaram no Candlestick Park?
 ###Tabelas: CREATE TABLE s–e_voting_system_result (s–e_voting_system_result_id AUTO_INCREMENT PRIMARY KEY, Eviction No. INT, Nominee VARCHAR, Vote to Save VARCHAR, Vote to Evict VARCHAR, Net vote VARCHAR, Eviction result VARCHAR) CREATE TABLE champions_by_year (champions_by_year_id AUTO_INCREMENT PRIMARY KEY, Year VARCHAR, Regular Season Champion(s) VARCHAR, Record VARCHAR, Tournament Champion VARCHAR, Tournament venue VARCHAR, Tournament city VARCHAR) CREATE TABLE highest_average_points_per_race_entered (highest_average_points_per_race_entered_id AUTO_INCREMENT PRIMARY KEY, Driver VARCHAR, Entries INT, Points INT, Average points per race entered INT, Average pre-2010 INT) CREATE TABLE schedule (schedule_id AUTO_INCREMENT PRIMARY KEY, Week INT, Date VARCHAR, Opponent VARCHAR, Result VARCHAR, Record VARCHAR, Game Site VARCHAR, Attendance INT) CREATE TABLE senior_pga_tour_wins_9 (senior_pga_tour_wins_9_id AUTO_INCREMENT PRIMARY KEY, Date VARCHAR, Tournament VARCHAR, Winning score VARCHAR, Margin of victory VARCHAR, Runner(s)-up VARCHAR)  
SELECT Date FROM schedule WHERE Game Site = candlestick park